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Fix variable get_img_width/height return value

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Fix the functions to conform to the documentation: -1 means non-imaging
device, 0 means variable. Internally, -1 is used to represent variable
height (to be noticably different from the memset-imposed default of zero).
This commit is contained in:
Daniel Drake
2007-11-17 13:15:25 +00:00
parent ba24c0884a
commit fa24d51304
1 changed files with 7 additions and 1 deletions
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8
libfprint/imgdev.c
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@@ -68,6 +68,9 @@ int fpi_imgdev_get_img_width(struct fp_img_dev *imgdev)
if (width > 0 && imgdrv->enlarge_factor > 1) if (width > 0 && imgdrv->enlarge_factor > 1)
width *= imgdrv->enlarge_factor; width *= imgdrv->enlarge_factor;
else if (width == -1)
width = 0;
return width; return width;
} }
@@ -77,8 +80,11 @@ int fpi_imgdev_get_img_height(struct fp_img_dev *imgdev)
struct fp_img_driver *imgdrv = fpi_driver_to_img_driver(drv); struct fp_img_driver *imgdrv = fpi_driver_to_img_driver(drv);
int height = imgdrv->img_height; int height = imgdrv->img_height;
if (height > 0 && imgdrv->enlarge_factor > 1) if (height > 0 && imgdrv->enlarge_factor > 1)
height *= imgdrv->enlarge_factor; height *= imgdrv->enlarge_factor;
else if (height == -1)
height = 0;
return height; return height;
} }